sodium_crypto_stream_xchacha20
Expands the key and nonce into a keystream of pseudorandom bytes
Description
string sodium_crypto_stream_xchacha20(int $length, string $nonce, #[\SensitiveParameter]string $key)
Expands the key and nonce into a keystream of pseudorandom bytes.
Parameters
-
length
-
Number of bytes desired.
-
nonce
-
24-byte nonce.
-
key
-
Key, possibly generated from sodium_crypto_stream_xchacha20_keygen.
Return Values
Returns a pseudorandom stream that can be used with sodium_crypto_stream_xchacha20_xor.